{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:E27F42PKTGFO3B7ZZWY32JPZN2","short_pith_number":"pith:E27F42PK","schema_version":"1.0","canonical_sha256":"26be5e69ea998aed87f9cdb1bd25f96e859e14d45b491595d9788fb8deb4fded","source":{"kind":"arxiv","id":"1907.06500","version":3},"attestation_state":"computed","paper":{"title":"Effective action of bosonic string theory at order $ \\alpha'^2 $","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Mohammad R. Garousi","submitted_at":"2019-07-15T13:37:41Z","abstract_excerpt":"Recently, it has been shown that the gauge invariance requires the minimum number of independent couplings for $B$-field, metric and dilaton at order $\\alpha'^2$ to be 60. In this paper we fix the corresponding 60 parameters in string theory by requiring the couplings to be invariant under the global T-duality transformations. The Riemann cubed terms are exactly the same as the couplings that have been found by the S-matrix calculations."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1907.06500","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-07-15T13:37:41Z","cross_cats_sorted":[],"title_canon_sha256":"cdd14d986a2112b3dfafe373c146faf0172cdfc19b14c391485b26a141e43bc4","abstract_canon_sha256":"4cf4a506f607e5913770c3bd4f01ea511f17b21707b4e1c3d295e7b4e191e4ff"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:40:24.924173Z","signature_b64":"A0DNvIh2IAqCIQFdVVRcGcDO1k0z943lLQiTkGseW2o2f4zDVfavVtFMXX9pdgWLkiA+ERKFBr4o+MFoHT0mBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"26be5e69ea998aed87f9cdb1bd25f96e859e14d45b491595d9788fb8deb4fded","last_reissued_at":"2026-07-05T00:40:24.923624Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:40:24.923624Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Effective action of bosonic string theory at order $ \\alpha'^2 $","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Mohammad R. Garousi","submitted_at":"2019-07-15T13:37:41Z","abstract_excerpt":"Recently, it has been shown that the gauge invariance requires the minimum number of independent couplings for $B$-field, metric and dilaton at order $\\alpha'^2$ to be 60. In this paper we fix the corresponding 60 parameters in string theory by requiring the couplings to be invariant under the global T-duality transformations. The Riemann cubed terms are exactly the same as the couplings that have been found by the S-matrix calculations."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.06500","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1907.06500/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1907.06500","created_at":"2026-07-05T00:40:24.923681+00:00"},{"alias_kind":"arxiv_version","alias_value":"1907.06500v3","created_at":"2026-07-05T00:40:24.923681+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.06500","created_at":"2026-07-05T00:40:24.923681+00:00"},{"alias_kind":"pith_short_12","alias_value":"E27F42PKTGFO","created_at":"2026-07-05T00:40:24.923681+00:00"},{"alias_kind":"pith_short_16","alias_value":"E27F42PKTGFO3B7Z","created_at":"2026-07-05T00:40:24.923681+00:00"},{"alias_kind":"pith_short_8","alias_value":"E27F42PK","created_at":"2026-07-05T00:40:24.923681+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2412.07234","citing_title":"Exploring types I and IIA effective actions through T-duality","ref_index":20,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/E27F42PKTGFO3B7ZZWY32JPZN2","json":"https://pith.science/pith/E27F42PKTGFO3B7ZZWY32JPZN2.json","graph_json":"https://pith.science/api/pith-number/E27F42PKTGFO3B7ZZWY32JPZN2/graph.json","events_json":"https://pith.science/api/pith-number/E27F42PKTGFO3B7ZZWY32JPZN2/events.json","paper":"https://pith.science/paper/E27F42PK"},"agent_actions":{"view_html":"https://pith.science/pith/E27F42PKTGFO3B7ZZWY32JPZN2","download_json":"https://pith.science/pith/E27F42PKTGFO3B7ZZWY32JPZN2.json","view_paper":"https://pith.science/paper/E27F42PK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1907.06500&json=true","fetch_graph":"https://pith.science/api/pith-number/E27F42PKTGFO3B7ZZWY32JPZN2/graph.json","fetch_events":"https://pith.science/api/pith-number/E27F42PKTGFO3B7ZZWY32JPZN2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/E27F42PKTGFO3B7ZZWY32JPZN2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/E27F42PKTGFO3B7ZZWY32JPZN2/action/storage_attestation","attest_author":"https://pith.science/pith/E27F42PKTGFO3B7ZZWY32JPZN2/action/author_attestation","sign_citation":"https://pith.science/pith/E27F42PKTGFO3B7ZZWY32JPZN2/action/citation_signature","submit_replication":"https://pith.science/pith/E27F42PKTGFO3B7ZZWY32JPZN2/action/replication_record"}},"created_at":"2026-07-05T00:40:24.923681+00:00","updated_at":"2026-07-05T00:40:24.923681+00:00"}